How to Pick the Best Vitamin D Supplement
But getting too much vitamin D can also be harmful, says Cooperman. Your safest bet, he says, is to get your vitamin D levels tested before choosing a dose. Until you can, avoid taking more than 1,000 IU per day and beware of signs of vitamin D toxicity, like nausea and weakness.
See also VitaminDwiki
- No vitamin D test needed before supplementing (typically) – April 2014
- 50,000 IU monthly safe to take without any vitamin D testing – RCT Dec 2013
- No longer debating vitamin D supplementation, now debating need for testing first – April 2013
- Oil-based Vitamin D3 has the worst bioavailability – April 2014
- Overview Obesity and Vitamin D
- Dieters lost 5 more pounds if achieved more than 32 ng of vitamin D – RCT March 2014
- Those low on vitamin D were 2.4X more likely to gain weight – June 2013
- Third study found that Infants needed 1600 IU of vitamin D – JAMA RCT May 2013 and adults need more than infants
- Overview Women and Vitamin D
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915 items - All items in Breast Cancer and Vitamin D
256 items - Overview Toxicity of vitamin D has a chart which summarizes published toxicity studies
- Thus the following are safe:
2 million IU daily for 1 week,
200,000 IU daily for 1.5 weeks,
150,000 IU daily for 2 weeks,
85,000 IU daily for 4 weeks,
50,000 IU daily for 5 weeks
Shape Magazine recommends a max of 1,000 IU of vitamin D (wrong) - Dec 20147171 visitors, last modified 23 Dec, 2014, - All items in Pregnancy